Nazare Big Wave Challenge Gets Yellow Alert, Could Run Saturday in Giant Waves
70-foot plus waves predicted for Portuguese big wave tow surfing competition.
Surf Forecasts:
Fieldstone surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 6 am Tuesday 16 Dec 2025 ESTForecast update in hr min s Forecast update imminent
Fieldstone surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Fieldstone sea temperature is
7.4° C
(Which is normal for this time of year)How big are the waves at Fieldstone today?
The current surf forecast for Fieldstone at 1PM is: 0.2m 11s primary swell from a East-southeast direction (forecast issued at 06:00am December 16). An open ocean swell of 0.3m 2s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (EST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | 0.5ft (0.2m) | 10s |
| Afternoon (16 Dec) | 0.5ft (0.2m) | 11s |
| Evening (16 Dec) | 0.5ft (0.2m) | 10s |
Table - waves today at Fieldstone. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 10 | 10 | 10 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 9 | 9 | 10 | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 10 | 10 | 10 | 11 | 12 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 20 | 13 | 14 | 21 | 15 | 9 | 9 | 9 | 9 | 11 | 11 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | off | off | off | off | off | off | off | off | off | off | off | cross- off | cross- off | cross- off | cross- off | off | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off |
High Tide / height (m) | 8:26AM 3.12 | 9:03PM 2.80 | 9:08AM 3.18 | 9:47PM 2.85 | 9:50AM 3.24 | 10:29PM 2.89 | ||||||||||||||||||
Low Tide / height (m) | 2:11AM 0.99 | 2:53PM 0.72 | 2:55AM 0.98 | 3:37PM 0.64 | 3:38AM 0.95 | 4:18PM 0.57 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Fri 19 | |||||||||||||||||||||
| Sunrise | - | - | 7:03 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - |
| Sunset | - | - | - | - | 4:10 | - | - | - | - | - | - | - | 4:12 | - | - | - | - | - | - | - | 4:12 | - | - | - |
 | |  | | |  |  | | | | |  | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | -4 | -4 | -3 | -1 | -1 | -2 | -2 | -1 | -1 | 2 | 5 | 7 | 5 | 4 | 5 | 2 | 1 | 1 | 1 | 4 | 4 | 5 | 9 | 10 |
| Feels °C (?) | -11 | -10 | -8 | -8 | -8 | -9 | -10 | -9 | -10 | -7 | -4 | -2 | -3 | -4 | -3 | -5 | -4 | -4 | -4 | -2 | -2 | -1 | 4 | 5 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Latest Updates
Buy Less, Surf More This Black Friday
Surf-forecast is providing a free, all-access pass to our premium features and 12-day forecasts all weekend.
Quiksilver Teams Up With PrimaLoft® For World’s First Thermal Layering System for a Wetsuit.
Previously used in our snow jackets for mountain conditions, PrimaLoft® technology is making its debut in the surf industry. The aim is to bring mountain-grade warmth to the waves.
Vancouver Island’s Day Of Days With Reed Platenius
Surf-Forecast recently helped the 21-year-old Canadian pro surfer and adventurer score some cold water perfection at home.
Read more
Discover more articles and updates in the Greenroom.
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Fieldstone surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Nearest